Rough-skinned newt
The rough-skinned newt is a small, stocky amphibian from the Pacific Northwest of North America. Its skin gives off one of the strongest toxins of any newt, so it is a creature to admire from a distance and never handle. Its toxin is also linked to a famous fight between newts and garter snakes.1

Sɛdeɛ wobɛhunu no
- Stocky body with a rounded snout.1
- Top ranges from light brown to olive or brownish-black.1
- Underside, including the head, legs and tail, is orange to yellow.1
- Skin is granular, but males are smooth-skinned during the breeding season.1
- Adults are 11 to 18 cm long overall, including the tail.1
Wɔtaa fa no sɛ: The California newt (Taricha torosa) looks similar. The rough-skinned newt has smaller eyes, yellow irises, V-shaped tooth patterns and uniformly dark eyelids. During breeding season, males have large swollen vent lobes and cornified toe pads, which separate them from females.1
Awuduro ahoɔden
Ne honam yɛ awuduro. Ɛyɛ asiane sɛ wode wo nsa bɛka, wobɛtaforɔ anaa wobɛdi.
Ne ho awuduro yɛ dɛn?
This animal is poisonous rather than venomous, so it does not bite or sting. Its skin produces tetrodotoxin (TTX), a neurotoxin that attacks the nerves. It blocks the sodium channels that nerves need to send signals. This can cause paralysis and death by asphyxiation, which means the person cannot breathe.1
Ne asiane ma nnipa te sɛn?
Asiane ma nnipa: Asiane kɛseɛ womƐtumi kum onipa a wɔnhwɛ no yareɛ.The toxin is mainly dangerous if the newt is eaten. Some people have had skin irritation after handling the newt, especially if they touch their eyes without washing their hands first. In 1979, a 29-year-old man from Oregon died after eating one. Some newts make enough toxin to kill several adult humans.1
Ɛyɛ dɛn bere a ehu aka no?
It gives off an acrid smell that warns animals to stay away.1
Sɛ obi de ne nsa ka anaa ɔdi a
- Sɛ obi de ne nsa aka bi a: hohoro ne nsa yie na mfa nsa nka ani anaa ano. Sɛ abofra anaa fie aboa bi taforɔɔ bi anaa ɔdii bi a: frɛ awuduro ho mmoa adwumayɛbea (poison centre) anaa wo ahohiahia nɔma.
Di kan frɛ wo ahohiahia nɔma (112, 000, 911). Yei yɛ mmoa a ɛdi kan ho akwankyerɛ, ɛnyɛ dɔkota afotuo. Mmoa a ɛdi kan ho nsɛm titiriw
Hwɛ wo ho so
- Mfa wo nsa nka wiram aboa biara, nkyere no na mfa no nni agorɔ, sɛ ɔyɛ ketewa mpo, na sɛ ɛte sɛ ɔrededa anaa wawu mpo a.
- Ma no kwan. Sɛ wohyia baako a, ma wo bo nnwo, san w'akyi brɛoo na ma ɔnkɔ ne kwan.
- Sɛ wode wo nsa kaa no anaa wodii a: mfa wo nsa ntwitwi w'ani anaa w'ano, hohoro wo nsa na hwehwɛ dɔkota mmoa.
Ɛnhwehwɛ wo sɛ ɛbɛpira wo. Ne ho awuduro no wɔ hɔ sɛdeɛ ɛbɛyɛ a biribiara renni no. Nsɛm pii fa ahobammɔ ho
Wiase mu baabi bɛn?
Ne kɛseɛ te sɛn?
Ne tenten te sɛn?
ne tenten te sɛ agodeɛ blɔk 6 a wɔde to ntoatoasoɔ muRough-skinned newt kɛseɛ te sɛn sɛ wode toto WO ho a?
Akontabuo kɛkɛ wɔ wo browser mu. Wɔnkora hwee, na wɔmfa hwee nkɔ baabiara.
Ne ntɛm te sɛn?
Nsɛm
Some common garter snakes can eat rough-skinned newts and survive. They are the only known animals today able to do this.1
A garter snake tests a newt's toxin level by partly swallowing it, then either swallows it fully or lets it go.1
Newts can detect the chemical signature of a snake that has digested one of their kind, and they move away from it.1
The toxin is made by the newt's skin microbiome, meaning the bacteria living on its skin.1
The newt and the garter snake are an example of an evolutionary arms race. Each change in one species drives change in the other.1
The toxin also appears in pufferfish and other marine animals, which share the same nerve-blocking effect.1
Ma bɔre ho animdefoɔ
- Nyansahu din
- Taricha granulosa
- Kuo
- Apɔtorɔwa a wɔn ho yɛ awuduro, apɔtorɔ ne newt
- Abusua
- Salamandridae2
- Nhyehyɛeɛ (Order)
- Caudata
- Asaase akɛseɛ
- Amerika Atifi
- Mmofra nketewa
- The eggs contain tetrodotoxin, which helps protect the offspring from predators such as the common garter snake.1
- Asiane ma nnipa
- 4 / 5: Asiane kɛseɛ wom3
Baabi a nsɛm no fi
- Rough-skinned newt (Wikipedia (CC BY-SA 4.0))
- Taricha granulosa (iNaturalist): din ne nkyekyɛmu.
- Venom Wiki: asiane gyinabea, kɛseɛ a ɛtaa yɛ ne ntɛm susuo no yɛ yɛn ankasa deɛ. Hwɛ sɛdeɛ yɛbu no: Sɛdeɛ yɛkyerɛ asiane gyinabea.
Nsɛm biara a ɛwɔ kratafa yi so wɔ nɔma a ɛkyerɛ ne fibea. Sɛ yɛfom biribi a, kafra, yɛyɛ mmoa ho akɔnnɔfoɔ, ɛnyɛ nyansahu nwoma. Ka kyerɛ yɛn wɔ [email protected] na yɛbɛsiesie.
Awuduro wɔ ne honam mu